TWI559170B - The control method of the rewritable file protection device, and the method of reducing the file protection - Google Patents

Description

Control method of reductive file protection device and reversible file protection method

The present invention provides a control method for a reproducible file protection device and a retrievable file protection method, in particular, a file with a protection data area and a custom area, after setting a secret content and a secret content protection mode, according to the confidential content The protection mode moves the confidential content to the custom area for encryption, and protects and restores the confidential content of the file according to the secret content protection mode.

Due to the rise of environmental awareness, people gradually exchange electronic files when the files are transmitted. When electronic files are transmitted, if the electronic files have confidential files, the users do not encrypt the electronic files, and the electronic When the file is inadvertently flowed out, it will cause unpredictable losses to the enterprise or individual.

In the prior art, the electronic file is encrypted in an encrypted manner. When the user wants to view the encrypted electronic file, the encrypted electronic file is decrypted by decryption before the electronic file can be read or used.

However, in the above manner, if the file provider only wants to provide the user to view or use part of the electronic file, and the other content does not provide the user to view or use, the electronic file must be edited and then provided. For the user to view or use, if the user does not make the first edit, the user will be able to view or use the entire electronic file content, and if the file provider wants to provide multiple users to view or use the same electronic file, each Electronic files that users can view or use When the content of the content is different, you need to copy the electronic file multiple times, and adjust the content of the electronic file according to the rights that each user can watch. The above method will be quite time consuming, not only to maintain multiple copies of the file and confidentiality. There are also considerable risks in sex.

In addition, in the prior art, confidential information in the electronic file is deleted by means of obscuration, and the deleted content is replaced by a symbol that the user cannot interpret, so as to achieve a secrecy effect.

However, in the foregoing manner, after the content of the electronic file is blocked, the electronic file can not be restored to the original electronic file content completely. If the file provider wants to edit through the original electronic file, it can be provided to other uses. When using the file, the file provider must first re-fill the file of the deleted content, and then, according to the rights that the user can view, the electronic file is hidden and secreted to provide the user to view or use. Will make the file provider operationally quite inconvenient.

In summary, how to improve the confidentiality of the above electronic files and the inconvenience of the existing encryption methods is indeed necessary for further improvement in the industry.

In order to solve the problem of confidentiality and inconvenience of the above electronic file, the present invention provides a control method for a recoverable file protection device for performing the following steps: causing a recoverable file protection device to display a file having a file a protection data area and a custom area, and the protection data area stores an unprotected material; the REDUCED file protection device is opened by a file provider to enable a file protection program; After the file protection program, the file provider sets a confidential content according to the unprotected data; And causing the reductive file protection device to set a secret content protection mode after setting the secret content; and causing the reductive file protection device to move the secret content to the customized area according to the secret content protection mode; The storable file protection device stores the unprotected data that has moved the confidential content into the protection data area to replace the unprotected data, and generates a first protection data; and the remedy file protection device is configured by the file The provider enters an identity authentication key to encrypt the secret content; wherein when the recoverable file protection device receives a control signal to open the file, the user is required to input an identity confirmation data; The file protection device compares the identity confirmation data with the identity authentication key according to the identity confirmation data, and when the identity confirmation data matches the identity authentication key, the configurable file protection device will use the file a protection program for moving the confidential content and the first protection material of the protection data area from the custom area to The unprotected data, when the identification data does not match the authentication key, enabling the file type protection device may be reduced to display the first data protection.

In order to achieve the foregoing objective, the present invention further provides a control method for a recoverable file protection device for performing the following steps: establishing a link between a recoverable file protection device and a server, and receiving a file from the server a shared protection rule and an identity authentication key, the file sharing protection rule having a file security content and a file security content protection mode; causing the redistributable file protection device to display a file having a protection data area and a self Defining a zone, and the protection data zone stores an unprotected material; causing the recoverable file protection device to open a file protection program by a file provider; After the file protection program is opened, the recoverable file protection device sets the file confidential content according to the file sharing protection rule, and after setting the file confidential content, according to the file The file sharing protection mode of the file sharing protection rule moves the confidential content of the file to the custom area; and the reductive file protection device stores the unprotected data that has moved the confidential content of the file to the protection data area In place of the unprotected material, generating a first protection material; causing the reductive file protection device to encrypt the confidential content of the file according to the identity authentication key; wherein, when the recoverable file protection device receives a control signal to open a file, requesting a user to input an identity confirmation data; and causing the recoverable file protection device to compare the identity confirmation data with the identity authentication key according to the identity confirmation data, when When the identity confirmation data matches the identity authentication key, the recoverable file protection device will Passing the file protection program, moving the confidential content of the file and the first protection data of the protection data area from the custom area to restore the unprotected data, and when the identity confirmation data does not match the identity authentication key And causing the reductive file protection device to display the first protection material.

In addition, in order to solve the problem of confidentiality and inconvenience of the above electronic file, the present invention provides a recoverable file protection method for performing the following steps: having a file with a protection data area and a custom area, and The protection data area stores an unprotected material; a file protection program is opened; a confidential content is set for the unprotected data; after the confidential content is set, a secret content protection mode is set; and the confidential content is set according to the secret content protection mode Move to the custom area; The unprotected data that has been moved to the confidential content is stored in the protection data area to replace the unprotected data, and a first protection data is generated; and an identity authentication key is input to encrypt the confidential content; wherein, when receiving a control signal is required to input an identity confirmation data when the file is opened; and when the identity confirmation data matches the identity authentication key, the confidential content and the protection data area are moved from the custom zone through the file protection program The first protection data is used to restore the unprotected data, and when the identity confirmation data does not match the identity authentication key, the first protection data is displayed.

Through the above-mentioned technical features, the control method of the reproducible file protection device of the present invention and the reversible file protection method, the file provider can be in the same unprotected material according to different rights that the user can view or use. In addition, different protection materials are provided for viewing or use, and the protection data can be restored to unprotected data after the user identity and authority are confirmed, thereby reducing the inconvenience of the file provider in creating the electronic file and improving the confidentiality.

11‧‧‧Recoverable file protection device

12‧‧‧Server

13‧‧‧Universal tandem device

2‧‧‧File Provider

21‧‧‧protection data area

22‧‧‧Custom Area

3‧‧‧Users

4‧‧‧Manager

311‧‧‧Unprotected information

312‧‧‧First Protection Information

313‧‧‧Second protective information

411‧‧ Archive protection rules

FIG. 1A is a structural diagram of a first embodiment of a control method of the presently-recoverable file protection device.

FIG. 1B is a structural diagram of a first embodiment of a control method of the presently-recoverable file protection device.

Figure 2 is a block diagram of the second embodiment of the present creation.

FIG. 3 is a schematic diagram showing an example of the first embodiment of the present creation.

FIG. 4 is a schematic view showing an example of the second embodiment of the present creation.

Figure 5 is a schematic view of a third embodiment of the present creation.

FIG. 6 is a flow chart of a method for protecting a recoverable file according to a fourth embodiment of the present invention.

FIG. 7 is another flow chart of the method for protecting the recoverable file according to the fourth embodiment of the present invention.

FIG. 8 is another flow chart of the method for protecting a recoverable file according to the fourth embodiment of the present invention.

FIG. 9 is a flowchart of a method for protecting a recoverable file according to a fifth embodiment of the present invention.

FIG. 10 is another flow chart of the method for protecting a recoverable file according to the fifth embodiment of the present invention.

FIG. 11 is another flow chart of the method for protecting a recoverable file according to the fifth embodiment of the present invention.

The technical means adopted by the present creation for the purpose of creation are further explained below in conjunction with the illustrated embodiments and preferred embodiments of the present invention.

Please refer to FIG. 1A and FIG. 1B. FIG. 1A and FIG. 1B are structural diagrams of a first embodiment of a method for controlling a reproducible file protection device. The present invention provides a reductive file protection device, the reductive file protection device. 11 can be a portable computer or a desktop host. In this embodiment, the file provider and the user can also operate the control method of the reductive file protection device by using the same reductive file protection device.

In detail, since the rights and responsibilities of each person are different in the organization, when the file provider 2 wants to provide the file to the user 3 according to the authority that the user 3 can view or use, first, the file provider 2 can operate. The reduced file protection device 11, the restoreable file protection device 11 will display the file according to the operation of the file provider 2, and the file format of the file is designed to provide the user with the effect of subsequent expansion functions, therefore, the file has protection The data area and a custom area, and the unprotected data is stored in the protection data area.

Then, the file provider 2 opens the file protection program through the recoverable file protection device 11. After the file protection program is opened, the file provider 2 sets a confidential content according to the unprotected data, and after the file provider sets the confidential content, Further, a privacy content protection mode is set. Then, the reductive file protection device 11 moves the secret content to the custom area according to the secret content protection mode, and stores the unprotected data that has moved the secret content into the protection data area to replace the unprotected data. The first protection data is generated. After the protection data is generated, the file provider 2 inputs an identity authentication key to encrypt the confidential content.

Further, the file provider 2 transmits the protected file to the user 3 via the Internet or a mobile storage medium, and since the file provider 2 protects according to the rights that the user 3 can view or use, After the user 3 receives the file, the first protection data can only be viewed or used. If the user wants to further view or use the file, the control signal will be sent to open the unprotected data, and the restored file protection device 11 receives the file. When the control signal is received, the user 3 is required to input the identity confirmation data, and the user can input the identity confirmation data through the desktop computer, or can connect with the recoverable file protection device 11 through the authentication device storing the identity confirmation data. The identity confirmation data in the authentication device is transmitted to the recoverable file protection device 11, which may be a Universal Serial Bus (USB) device 13.

Then, after the user 3 inputs the identity confirmation data, the restoreable file protection device 11 compares the identity confirmation data with the identity authentication key according to the identity confirmation data, and when the identity confirmation data matches the identity authentication key, The storable file protection device 11 will move the first protection data of the secret content and the protection data area from the custom area through the file protection program to restore the unprotected data, and vice versa, when the user 3 inputs the When the identity confirmation data does not match the identity authentication key, the restoreable file protection device 11 displays the first protection data and provides it to the user 3 who has not passed the identity confirmation for viewing or use.

Furthermore, the above embodiment may further enable the file provider to set the secret content protection mode after the REDUCABLE file protection device 11 sets the confidential content for the unprotected data, and the restoreable file protection device 11 will protect according to the confidential content. The mode moves the confidential content to the customized area, and after moving the confidential content, replaces the location of the unprotected data with an alternative content, and stores the unprotected data replaced by the substitute content in the protection data area. To replace the unprotected material, the first protective material is generated.

In addition, after the confidential content protection mode is set, the restoreable file protection device 11 first copies the confidential content according to the secret content protection mode to generate another confidentiality. Then, the copied confidential content is moved to the customized area, and after the confidential content is moved, the confidential content of the unprotected data is replaced by an alternative content, and the unprotected data replaced by the substitute content is stored in the protection. The data area is substituted for the unprotected material to generate the first protection data.

Please refer to FIG. 2. FIG. 2 is a structural diagram of the second embodiment of the present invention. First, the recoverable file protection device 11 operated by the file provider 2 receives the file sharing protection rule set by the administrator 4 from the server 12. The file sharing protection rule has a file confidentiality content and a file confidential content protection mode, and stores the file sharing protection rule in the recoverable file protection device 11. Then, since the rights and responsibilities of each person are different in the organization, when the file provider 2 wants to provide the file to the user 3 according to the authority that the user 3 can view or use, first, the file provider 2 operates the restoreable type. The file protection device 11, the restoreable file protection device 11 will display the file according to the operation of the file provider 2, and the file format of the file is designed to provide the user with the effect of subsequent expansion functions. Therefore, the file has a protection data area. And a custom area, and the protection data area stores an unprotected material.

Then, the file provider 2 opens the file protection program through the recoverable file protection device 11. After the file protection program is opened, the file provider 2 sets a confidential content according to the unprotected data, and after the file provider sets the confidential content, , set a secret content protection mode. Then, according to the secret content protection mode, the confidential content is moved to the customized area, and then the redistributable file protection device 11 stores the unprotected data that has moved the confidential content to the protection data area to replace the unprotected Data, a first protection data is generated, and then the file provider 2 sets the file sharing protection rule, and the restoreable protection device 11 sets the confidential content of the file according to the file sharing protection rule, and sets the first protection data. The file security content is subsequently saved by the redistributable file protection device 11 according to the file security content protection mode to the customized area, and the first protection data of the saved file security content is stored in the protection data area. In place of the first protection data, a second protection data is generated. After the second protection data is generated, the file provider 2 inputs an identity authentication key through the recoverable file protection device 11 to keep the file confidential and confidential. The content is encrypted.

Moreover, the foregoing embodiment may also be configured to set a file confidential content protection mode, and the restoreable file protection device 11 moves the file confidential content to the customized area according to the file confidential content protection mode, and after moving the file confidential content, Replacing the location of the confidential content of the first protection data with an alternative content, and storing the first protection data replaced by the alternative content in the protection data area to replace the first protection data, and generating the second Protective information.

In addition, after the file security content protection mode is set, the restoreable file protection device 11 first copies the file security content according to the file security content protection mode to generate another file security content, and then copies the file. After the confidentiality of the file is moved to the customized area, and the confidential content of the file is moved, the confidential content of the first protective material is replaced by an alternative content, and the first protective material replaced by the substitute content is stored in the protection. The data area is substituted for the first protection data to generate the second protection data.

Further, the file provider 2 transmits the file to the user 3 via the Internet or a mobile storage medium, because the file provider 2 and the manager 4 are based on the rights that the user 3 can view or use. The confidential content and the confidential content of the file are set. When the confidential content and the confidential content of the file are set, the second protection data will be generated. Therefore, when the user 3 receives the file, only the second protection data can be viewed or used, if the user 3 In order to further view or use the file, a control signal is required to open the unprotected material, and the restoreable file protection device 11 will ask the user 3 to input the identity confirmation data.

Then, after the user 3 inputs the identity confirmation data, the restoreable file protection device 11 compares the identity confirmation data with the identity authentication key according to the identity confirmation data, and when the identity confirmation data matches the identity authentication key, The storable file protection device 11 will move the secret content, the file security content and the second protection data of the protection data area from the customized area to the unprotected data through the file protection program, and vice versa, when the user 3 The identity confirmation information and identity entered When the certificate key does not match, the reducible file protection device 11 displays the second protection data and provides it to the user 3 who has not confirmed the identity for viewing or using.

Further, the first embodiment or the second embodiment may further configure a file management control rule by the file provider 2 after the first protection data or the second protection data is generated by the reductive file protection device 11 According to the file management and control rule, the storable file protection device 11 prohibits printing of files, prohibiting copying of files, prohibiting editing of files, setting the period of use of files, setting the number of times of use of files, and using time, displaying watermarks on files or files. Automatically add text.

For example, please refer to FIG. 3, which is a schematic diagram of an example of the first embodiment of the present creation. The file provider 2 operates the restoreable file protection device 11, and the restoreable file protection device 11 displays the file according to the operation of the file provider, and the file format of the file is designed to provide the user with the effect of subsequent expansion functions. Therefore, the file has a protection data area 21 and a custom area 22, and the protection data area 21 stores an unprotected material 311.

Then, the file provider 2 opens the file protection program through the recoverable file protection device 11. After the file protection program is opened, the file provider 2 sets a confidential content according to the unprotected data 311 (eg, "A", "Guard" After the file provider has set the confidential content (such as "An" and "protect"), further, set a secret content protection mode (such as: hidden mode). Then, according to the secret content protection mode (eg, the hidden mode), the confidential content (eg, "A" and "protection") is moved to the custom area 22, and the confidential content has been moved (eg, "An"" The unprotected data 311 of the protector is stored in the protective data area 21 to replace the unprotected data 311, and a first protective material 312 is generated. After the first protective material 312 is generated, the file provider 2 passes the recoverable file. The protection device 11 inputs an identity authentication key to encrypt the confidential content (eg, "security").

Further, the file provider 2 transmits the file to the user 3 via the Internet or a mobile storage medium, and the file provider 2 sets the unprotected material 311 according to the rights that the user 3 can view or use. Confidential content, when the confidential content is set, the first protection will be generated Therefore, when the user 3 receives the file, only the first protection data 312 can be viewed or used. If the user 3 wants to further view or use the file 311, the control signal must be sent to open the unprotected material 311. After receiving the control signal, the restored file protection device 11 will ask the user 3 to input the identity confirmation data.

Then, after the user 3 inputs the identity confirmation data, the restoreable file protection device 11 compares the identity confirmation data with the identity authentication key according to the identity confirmation data, and when the identity confirmation data matches the identity authentication key, The storable file protection device 11 will move the confidential content (such as "An" and "protect") from the custom area 22 and the first protection data 312 of the protection data area 21 through the file protection program to restore to the original The protection data 311, on the other hand, when the user 3 inputs the identity confirmation data, the restoreable file protection device 11 compares the identity confirmation data with the identity authentication key according to the identity confirmation data, when the identity confirmation data and the identity When the authentication key does not match, the restoreable file protection device 11 will display the first protection material 312.

For another example, please refer to FIG. 4, which is a schematic diagram of an example of the second embodiment of the present creation. After the configurable file protection device 11 establishes a connection with the server 12, the administrator 4 sets the file sharing protection rule 411 via the server 12, and transmits the file sharing protection rule 411 to the storable file protection device 11 for storage. And the file sharing protection rule has a file confidentiality content and a file confidential content protection mode, the file provider 2 operates the restoreable file protection device 11, and the restoreable file protection device 11 displays the file according to the operation of the file provider 2. The file format of the file is designed to provide the user with the effect of subsequent expansion functions. Therefore, the file has a protection data area 21 and a custom area 22, and the protection data area 21 stores an unprotected material 311.

The file provider 2 opens the file protection program through the recoverable file protection device 11. After the file protection program is opened, the file provider 2 sets a confidential content according to the unprotected data 311 (for example, "the security protection system" "), when the file provider sets the confidential content (such as "Security Security System"), further, set a secret content protection mode (such as: shadow mode). Connect According to the secret content protection mode (eg, the occlusion mode), the REDUCED file protection device 11 moves the confidential content (eg, "Spirit Security Protection System") to the custom area 22 for alternative content (eg, "*") to replace the unprotected information (such as "Spirit Security System") and to store the unprotected data of the confidential content (such as "Spirit Security System") in the protection data area 21, To replace the unprotected data, a first protection data 312 is generated. Further, the file provider 2 sets the file sharing protection rule 411, and the restoreable protection device 11 will keep the file confidential content according to the file sharing protection rule 411 (eg : "Yingweikang"), the first protection material 312 is set to the confidential content of the file (for example, "Yingweikang").

Then, after setting the file confidential content (for example, "Yingkang"), the restoreable file protection device 11 will keep the file confidential according to the file confidential content protection mode (eg, the mask mode) (eg, "Yingkang") Moving to the custom area 22, replacing the confidential content of the first protection material 312 with an alternative content (eg, "*") (eg, "Yingkang"), and replacing the content (eg, " *") The first protection data 312 is replaced by the protection data area 21 to replace the first protection data 312, and a second protection data 313 is generated. After the second protection data 313 is generated, the file provider 2 inputs An identity key to encrypt confidential content (such as "Yingkang") and confidential content (such as "Security Security System").

Further, the file provider 2 transmits the file to the user 3 via the Internet or a mobile storage medium. When the user 3 receives the file, only the second protection data 313 can be viewed or used. After viewing or using the file 311, further, the control signal is sent to open the unprotected material 311, and after the control file is received by the restoreable file protection device 11, the user 3 is required to input the identity confirmation data.

Then, after the user 3 inputs the identity confirmation data, the restoreable file protection device 11 compares the identity confirmation data with the identity authentication key according to the identity confirmation data, and when the identity confirmation data matches the identity authentication key, , the restoreable file protection device 11 will protect through the file The program moves the confidential content of the file (such as "Yingweikang") and the confidential content (such as "Spirit Security Protection System") and the second protection data 313 of the protection data area 21 from the custom area 22 to be restored to unprotected The data 311, on the other hand, when the user 2 inputs the identity confirmation data, the restoreable file protection device 11 compares the identity confirmation data with the identity authentication key according to the identity confirmation data, when the identity confirmation data and the identity authentication When the keys do not match, the reducible file protection device 11 will display the second protection material 313.

Furthermore, please refer to FIG. 5, which is a schematic diagram of a third embodiment of the present creation. After the reductive file protection device 11 establishes a connection with the server 12, the file sharing protection rule 411 set by the manager 4 is received from the server 12, and the file sharing protection rule 411 is stored in the reductive file protection device 11. First, the file provider 2 operates the restoreable file protection device 11, and the restoreable file protection device 11 will display the file according to the operation of the file provider 2, and the file format of the file is designed to provide the user with subsequent expansion functions. The effect is that the file has a protection data area and a custom area, and the protection data area stores an unprotected material 311.

Then, the file provider 2 opens the file protection program through the recoverable file protection device 11. After the file protection program is opened, the file provider 2 selects the file sharing protection rule 411. Then, after selecting the file sharing protection rule 411, the reductive protection device 11 will set a file confidential content (such as a uniformly numbered number) and a file for the data in the unprotected material 311 according to the file sharing protection rule 411. Confidential content protection mode. Then, the reductive file protection device 11 moves the file confidential content (such as the uniformly numbered number) to the custom area according to the file confidential content protection mode (eg, the hidden mode), and the hidden content of the moved file is not The protection data 311 is stored in the protection data area to replace the unprotected data, and a first protection data 312 is generated. After the first protection data 312 is generated, the file provider 2 inputs an identity authentication through the reductive file protection device 11. The key is used to encrypt the confidential content of the file.

Furthermore, in the above embodiment, after the file confidential content protection mode is set, the restoreable file protection device 11 moves the file confidential content to the custom area according to the file confidential content protection mode, and after moving the file confidential content, The location of the unprotected material of the unprotected material is replaced by an alternative content, and the unprotected material replaced by the substitute content is stored in the protection data area to replace the unprotected material, and the first protection material is generated.

In addition, after the file security content protection mode is set, the restoreable file protection device 11 first copies the file security content according to the file security content protection mode to generate another file security content, and then copies the file. After the confidentiality of the file is moved to the custom area, and the confidential content of the file is moved, the confidential content of the unprotected data is replaced by an alternative content, and the unprotected data replaced by the substitute content is stored in the protection data area. To replace the unprotected material, the first protective material is generated.

Further, the file provider 2 transmits the file to the user 3 via the Internet or a mobile storage medium, and the file provider 2 protects the unprotected material 311 according to the rights that the user 3 can view or use. After that, the first protection data 312 will be generated. Therefore, after the user 3 receives the file, the first protection data 312 can only be viewed or used. If the user 3 wants to further view or use the file, the control signal is further sent. After the unprotected data is turned on, the redistributable file protection device 11 will request the user 3 to input the identity confirmation data through the recoverable file protection device 11 after receiving the control signal.

Then, after the user 3 inputs the identity confirmation data, the restoreable file protection device 11 compares the identity confirmation data with the identity authentication key according to the identity confirmation data, and when the identity confirmation data matches the identity authentication key, The storable file protection device 11 will use the file protection program to move the first protection material 312 of the file security content and the protection data area from the customized area to be restored to the unprotected material 311, and vice versa, when the user 3 inputs After the identity confirmation data is completed, the restoreable file protection device 11 compares the identity confirmation data with the identity authentication key according to the identity confirmation data, when When the identity confirmation data does not match the identity authentication key, the restoreable file protection device 11 displays the first protection material 312.

In the above embodiment, after the removable file protection device 11 moves the file confidential content to the customized area, the file confidential content of the unprotected material is replaced by an alternative content, and the alternative content is replaced by the alternative content. The unprotected data is stored in the protection data area to replace the unprotected data, and the first protection data is generated.

Furthermore, referring to FIG. 6 , FIG. 6 is a flowchart of a method for protecting a recoverable file according to the fourth embodiment of the present invention, which is used to perform the following steps: a data area and a custom area, and the protection data area stores an unprotected data (S611); a file protection program is opened (S612); a confidential content is set for the unprotected data (S613); after the confidential content is set Setting a secret content protection mode (S614); moving the secret content to the custom area according to the secret content protection mode (S615); storing the unprotected data that has moved the confidential content into the protection data area, To replace the unprotected data, generate a first protection data (S616); input an identity authentication key to encrypt the secret content (S617); wherein, when receiving a control signal to open the file, request input An identity confirmation data (S618); when the identity confirmation data matches the identity authentication key, the confidential content and the protection data area are moved from the customization area by the file protection program The first data protection, in order to reconstitute the protective material, and when the identification information does not match with the authentication key, display the first protective material (S619).

In addition, please refer to FIG. 7. FIG. 7 is another flowchart of the method for protecting a recoverable file according to the fourth embodiment of the present invention, which is configured to perform the following steps: having a protection data area and a custom area in a file, and The protection data area stores an unprotected data (S711); opens a file protection program (S712); sets a confidential content for the unprotected data (S713); and sets a secret content protection mode after setting the confidential content (S714) And moving the confidential content to the custom area according to the secret content protection mode (S715); replacing the secret content of the unprotected material with an alternative content, and replacing the unprotected material with the substitute content Stored in the protection data area to replace the unprotected data, generate a first protection data (S716); input an identity authentication key to encrypt the confidential content (S717); wherein, when receiving a control signal, When the file is opened, an identity confirmation data is required to be input (S718); when the identity confirmation data matches the identity authentication key, the security is moved from the custom zone through the file protection program. The first volume of the data protection area of data protection, in order to reconstitute the protective material, and when the identification information does not match with the authentication key, display the first protective material (S719).

In addition, please refer to FIG. 8. FIG. 8 is another flowchart of the method for protecting a recoverable file according to the fourth embodiment of the present invention, which is configured to perform the following steps: a file has a protection data area and a custom area, and The protection data area stores an unprotected material (S811); opens a file protection program (S812); sets a confidential content for the unprotected material, and copies the confidential content (S813); After setting the secret content, setting a secret content protection mode (S814); according to the secret content protection mode, moving the copied secret content to the custom area (S815), replacing the unprotected material with an alternative content The confidential content, and the unprotected material replaced by the substitute content is stored in the protection data area to replace the unprotected data, and a first protection data is generated (S816); input an identity authentication key to the The secret content is encrypted (S817); wherein when a control signal is received to open the file, an identity confirmation data is required to be input (S818); when the identity confirmation data matches the identity authentication key, the file is protected The program moves the secret content and the first protection data of the protection data area from the customization area to restore the unprotected data, and when the identity confirmation data does not match the identity authentication key, displaying the first protection Information (S819).

In addition, please refer to FIG. 9. FIG. 9 is a flowchart of a method for protecting a recoverable file according to a fifth embodiment of the present invention, for performing the following steps: having a protection data area and a custom area in a file, and the protection The data area stores an unprotected data (S911); a file protection program is opened (S912); a confidential content is set for the unprotected data (S913); after the confidential content is set, a secret content protection mode is set (S914); Transmitting the confidential content to the custom area according to the secret content protection mode (S915); storing the unprotected data that has moved the confidential content into the protection data area to replace the unprotected data, and generating a first a protective material (S916); Setting a file sharing protection rule, the file sharing protection rule has a file confidentiality content and a file confidential content protection mode (S917); according to the file sharing protection rule, the file security content is set, and the file is kept secret for the first protection data Content (S918); according to the file sharing protection mode of the file sharing protection rule, moving the file confidential content to the custom area (S919); storing the first protection data that has moved the file confidential content to the Protecting the data area to replace the first protection data, generating a second protection data (S920); inputting an identity authentication key to encrypt the confidential content and the confidential content of the file (S921); wherein, when receiving the control a signal to open the file, requesting the identity confirmation data (S922); and comparing the identity confirmation data with the identity authentication key according to the identity confirmation data, when the identity confirmation data and the identity authentication key In the case of matching, the confidential content, the confidential content of the file, and the protection are moved from the custom area through the file protection program. The second guard data feed zone to reconstitute the protective material, and when the identification information does not match with the authentication key, to display the second guard data (S923).

Please refer to FIG. 10. FIG. 10 is another flowchart of a flowchart of a method for protecting a recoverable file according to a fifth embodiment of the present invention, for performing the following steps: having a protection data area and a custom area in a file, and The protection data area stores an unprotected data (S11001); opens a file protection program (S1002); sets a confidential content for the unprotected data (S1003); and sets a confidential content protection mode after setting the confidential content (S1004) The secret content is moved to the custom area according to the secret content protection mode (S1005); Replacing the confidential content of the unprotected material with an alternative content, and storing the unprotected material replaced by the substitute content in the protection data area to replace the unprotected material, and generating a first protection material (S1006) Setting a file sharing protection rule, the file sharing protection rule has a file confidentiality content and a file confidential content protection mode (S1007); according to the file sharing protection rule, the file security content is set for the first protection data File confidentiality content (S1008); according to the file sharing protection mode of the file sharing protection rule, the file confidential content is moved to the custom area (S1009); the file of the first protection data is replaced by an alternative content. Content, and storing the first protection data replaced by the substitute content in the protection data area to replace the first protection data, generating a second protection data (S1010); inputting an identity authentication key to the confidential content And encrypting the confidential content of the file (S1011); wherein when the control signal is received to open the file, input is required Identity confirmation data (S1012); comparing the identity confirmation data with the identity authentication key according to the identity confirmation data, and when the identity confirmation data matches the identity authentication key, the file protection program is used The custom area moves the confidential content, the confidential content of the file and the second protection material of the protection data area to restore the unprotected data, and when the identity confirmation data does not match the identity authentication key, the first Second protection data (S1013).

Please refer to FIG. 11. FIG. 11 is another flow chart of a flowchart of a method for protecting a recoverable file according to a fifth embodiment of the present invention, which is configured to perform the following steps: having a protection data area and a custom area in a file, and The protection data area stores an unprotected material (S1101); Opening a file protection program (S1102); setting a confidential content for the unprotected data (S1103); setting a confidential content protection mode after setting the confidential content (S1104); and according to the secret content protection mode, the confidential content Moving to the custom zone (S1105); replacing the confidential content of the unprotected material with an alternative content, and storing the unprotected material replaced by the substitute content in the protection data zone to replace the unprotected material , generating a first protection data (S1106); setting a file sharing protection rule, the file sharing protection rule having a file security content and a file security content protection mode (S1107); the file security according to the file sharing protection rule Content, setting the confidential content of the file to the first protection data (S1108); copying the confidential content of the file according to the file confidential content protection mode of the file sharing protection rule, and moving the copied confidential content of the file to the Customized area (S1109); replacing the confidential content of the first protection material with an alternative content, and replacing the file The first protection data replaced by the capacity is stored in the protection data area to replace the first protection data, and a second protection data is generated (S1110); inputting an identity authentication key to encrypt the confidential content and the confidential content of the file (S1111); wherein, when the control signal is received to open the file, the identity confirmation data is required to be input (S1112); and the identity confirmation data is compared with the identity authentication key according to the identity confirmation data, when When the identity confirmation data matches the identity authentication key, the secret protection content, the confidential content of the file, and the second protection data of the protection data area are moved from the customization area through the file protection program to restore the unprotected data. The data, and when the identity confirmation data does not match the identity key, the second protection data is displayed (S1113).

Through the above-mentioned technical features, the control method of the reproducible file protection device of the present invention and the reversible file protection method, the file provider can be in the same unprotected material according to different rights that the user can view or use. Provide different content for viewing or use, and after the protection data is generated, the protection data can be restored to unprotected data, which reduces the inconvenience of the file provider in creating electronic files and enhances the confidentiality.

The above description is only a preferred embodiment of the present invention, and does not impose any form limitation on the present invention. Although the present invention has been disclosed above in the preferred embodiment, it is not intended to limit the present creation, and has any technical field. A person skilled in the art can make some modifications or modifications to equivalent embodiments by using the above-disclosed technical contents without departing from the technical scope of the present invention. The technical essence of the present invention, any simple modifications, equivalent changes and modifications made to the above embodiments are still within the scope of the present technical solution.

11‧‧‧Recoverable file protection device

2‧‧‧File Provider

21‧‧‧protection data area

22‧‧‧Custom Area

3‧‧‧Users

311‧‧‧Unprotected information

312‧‧‧Protection data

13‧‧‧Universal tandem device

Claims (22)

A method for controlling a recoverable file protection device for performing the following steps: causing a recoverable file protection device to display a file having a protection data area and a custom area, and the protection data area is stored Protection data; enabling the recoverable file protection device to open a file protection program by a file provider; and causing the redistributable file protection device to open the file protection program, the file provider according to the unprotected data, Setting a confidential content; causing the reductive file protection device to set a secret content protection mode after setting the secret content; and causing the reductive file protection device to move the confidential content to the self according to the secret content protection mode Defining a zone; causing the recoverable file protection device to store the unprotected material that has moved the confidential content into the protection data zone to replace the unprotected material, and generating a first protection profile; The protection device encrypts the secret content by inputting an identity authentication key by the file provider; When the recoverable file protection device receives a control signal to open the file, requesting a user to input an identity confirmation data; and causing the recoverable file protection device to confirm the identity based on the identity confirmation data The identity authentication key is compared. When the identity verification data matches the identity authentication key, the redistributable file protection device moves the confidential content and the protection data from the customized area through the file protection program. The first protection data of the area is used to restore the unprotected data, and when the identity confirmation data does not match the identity authentication key, the configurable file protection device displays the first protection data. The method for controlling a recoverable file protection device according to claim 1, wherein the recoverable file protection device copies the confidential content according to the secret content protection mode, and moves the copied confidential content to This custom area. The method for controlling a recoverable file protection device according to claim 1 or 2, wherein the removable file protection device moves the confidential content to the custom area, and replaces the unprotected with an alternative content. The confidential content of the data is stored, and the unprotected material replaced by the substitute content is stored in the protection data area to replace the unprotected data, and the first protection material is generated. The method for controlling a recoverable file protection device according to claim 1, wherein the recoverable file protection device, after generating the first protection data, further performs the following steps: causing the reductive file protection device Setting a file sharing protection rule, the file sharing protection rule has a file confidentiality content and a file confidential content protection mode; and the first file protection device is configured to make the first protection based on the file security content of the file sharing protection rule Setting the confidentiality content of the file; causing the recoverable file protection device to move the confidential content of the file to the customized area according to the file confidential content protection mode of the file sharing protection rule, and the confidential content of the file has been moved The unprotected data is stored in the protection data area to replace the first protection data, and a second protection data is generated; the resettable file protection device is caused by the user to input the identity authentication key, and the confidential content is And encrypting the confidential content of the file; wherein, when the recoverable file is protected Receiving the control signal to open the file, requesting the user to input the identity confirmation data; and causing the recoverable file protection device to compare the identity confirmation data with the identity authentication key according to the identity confirmation data And when the identity verification data is consistent with the identity authentication key, the reductive file protection device moves the confidential content, the confidential content of the file, and the protection data area from the customized area through the file protection program. And the second protection data is used to restore the unprotected data, and when the identity confirmation data does not match the identity authentication key, the configurable file protection device displays the second protection data. The method for controlling a recoverable file protection device according to claim 4, wherein the resettable file protection device copies the confidential content of the file after setting the confidential content of the file, and keeps the copied file confidential. The content is moved to the custom area. The method for controlling a recoverable file protection device according to claim 3, wherein after the generating the first protection data, the reductive file protection device further performs the following steps: causing the reductive file protection device Setting a file sharing protection rule, the file sharing protection rule has a file confidentiality content and a file confidential content protection mode; and the first file protection device is configured to make the first protection based on the file security content of the file sharing protection rule Setting the confidentiality content of the file; causing the recoverable file protection device to move the confidential content of the file to the customized area according to the file confidential content protection mode of the file sharing protection rule, and the confidential content of the file has been moved The unprotected data is stored in the protection data area to replace the first protection data, and a second protection data is generated; the resettable file protection device is caused by the user to input the identity authentication key, and the confidential content is And encrypting the confidential content of the file; wherein, when the recoverable file is protected Receiving the control signal to open the file, requesting the user to input the identity confirmation data; and causing the recoverable file protection device to compare the identity confirmation data with the identity authentication key according to the identity confirmation data And when the identity verification data is consistent with the identity authentication key, the reductive file protection device moves the confidential content, the confidential content of the file, and the protection data area from the customized area through the file protection program. And the second protection data is used to restore the unprotected data, and when the identity confirmation data does not match the identity authentication key, the configurable file protection device displays the second protection data. The method for controlling a recoverable file protection device according to claim 5, wherein the removable file protection device causes the file security content to be moved to the custom area, and the first protection is replaced by an alternative content. The confidentiality of the file is stored, and the first protection data replaced by the alternative content is stored in the protection data area to replace the first protection data, and the second protection data is generated. The method for controlling a recoverable file protection device according to claim 6, wherein the configurable file protection device moves the file security content to the custom area, and replaces the first protection with an alternative content. The confidentiality of the file is stored, and the first protection data replaced by the alternative content is stored in the protection data area to replace the first protection data, and the second protection data is generated. The method for controlling a recoverable file protection device according to claim 1, 2, 4, 5 or 7, wherein when the rewritable file protection device receives the control signal to open the file, the user is required to input When the identity confirms the data, the user connects the authentication device storing the identity confirmation data with the recoverable file protection device, and transmits the identity confirmation data to the recoverable file protection device. The method for controlling a recoverable file protection device according to claim 6, wherein when the rewritable file protection device receives the control signal to open the file and asks the user to input the identity confirmation data, the use One of the authentication devices storing the identity confirmation data is connected to the recoverable file protection device, and the identity confirmation data is transmitted to the recoverable file protection device. The method for controlling a recoverable file protection device according to claim 8, wherein when the rewritable file protection device receives the control signal to open the file and asks the user to input the identity confirmation data, the use One of the authentication devices storing the identity confirmation data is connected to the recoverable file protection device, and the identity confirmation data is transmitted to the recoverable file protection device. A method for controlling a recoverable file protection device for performing the following steps: establishing a link between a recoverable file protection device and a server, and receiving a file sharing protection rule and an identity authentication key from the server The file sharing protection rule has a file confidentiality content and a file confidential content protection mode; the resettable file protection device displays a file having a protection data area and a custom area, and the protection data area is stored An unprotected material; causing the recoverable file protection device to open a file protection program by a file provider; and causing the redistributable file protection device to open the file protection program according to the file sharing protection rule The confidential content, the confidential content of the file is set for the original file, and after the confidential content of the file is set, the confidential content of the file is moved to the custom area according to the file protection content protection mode of the file sharing protection rule; The recoverable file protection device will have moved the confidential content of the file The unprotected data is stored in the protection data area to replace the unprotected data, and a first protection data is generated; and the reproducible file protection device encrypts the confidential content of the file according to the identity authentication key; When the recoverable file protection device receives a control signal to open the file, requesting a user to input an identity confirmation data; and causing the recoverable file protection device to confirm the identity based on the identity confirmation data The identity authentication key is compared. When the identity verification data matches the identity authentication key, the redistributable file protection device moves the file confidential content and the protection data from the customized area through the file protection program. The first protection data of the area is used to restore the unprotected data, and when the identity confirmation data does not match the identity authentication key, the configurable file protection device displays the first protection data. The method for controlling a recoverable file protection device according to claim 12, wherein the resettable file protection device copies the confidential content of the file after setting the confidential content of the file, and keeps the copied file confidential. The content is moved to the custom area. The method for controlling a recoverable file protection device according to claim 12 or 13, wherein the removable file protection device causes the file security content to be moved to the custom area, and the replacement is replaced by an alternative content. The confidentiality of the file of the protective material is stored, and the unprotected material replaced by the substitute content is stored in the protective data area to replace the unprotected material, and the first protective material is generated. A reversible file protection method for performing the following steps: having a protection data area and a custom area in a file, and storing an unprotected data in the protection data area; opening a file protection program; Setting a confidential content; setting a confidential content protection mode after setting the confidential content; moving the confidential content to the customized area according to the confidential content protection mode; storing the unprotected data that has moved the confidential content To the protection data area, to replace the unprotected data, to generate a first protection data; input an identity authentication key to encrypt the secret content; wherein, when receiving a control signal to open the file, request input An identity confirmation data; when the identity verification data is consistent with the identity authentication key, the protection content is moved from the customization area and the protection data of the protection data area by the file protection program to restore the unprotected data. And when the identity confirmation data does not match the identity authentication key, the first protection data is displayed. The method of claim 15, wherein the secret content is copied according to the secret content protection mode, and the copied secret content is moved to the custom area. The method of claim 15 or 16, wherein after the moving the content is removed, the confidential content of the unprotected material is replaced with an alternative content, and the alternative content is replaced by the unprotected content. The protection data is stored in the protection data area to replace the unprotected data, and the first protection data is generated. The method of claim 15, wherein after the generating the first protection data, further performing the following steps: setting a file sharing protection rule, the file sharing protection rule having a file security content and a The file confidential content protection mode; according to the file sharing protection rule, the file security content is set, the file security content is set for the first protection data; and the file security content is moved according to the file sharing protection mode of the file sharing protection rule Up to the custom zone, and storing the first protection data that has moved the confidential content of the file into the protection data zone to replace the first protection data, and generating a second protection data; input the identity authentication key, Encrypting the secret content and the confidential content of the file; wherein, when the control signal is received to open the file, the identity confirmation data is required to be input; and the identity confirmation data and the identity authentication key are obtained according to the identity confirmation data Compare, when the identity confirmation data matches the identity key Transmitting the confidential content, the confidential content of the file and the second protection material of the protection data area from the customization area through the file protection program to restore the unprotected material, and when the identity confirmation data and the identity authentication The second protection data is displayed when the keys do not match. The method of claim 18, wherein after the confidential content of the file is set, the confidential content of the file is copied, and the copied confidential content is moved to the customized area. The method of claim 17, wherein after the generating the first protection data, further performing the following steps: setting a file sharing protection rule, the file sharing protection rule having a file security content and a The file confidential content protection mode; according to the file sharing protection rule, the file security content is set, the file security content is set for the first protection data; and the file security content is moved according to the file sharing protection mode of the file sharing protection rule Up to the custom zone, and storing the first protection data that has moved the confidential content of the file into the protection data zone to replace the first protection data, and generating a second protection data; input the identity authentication key, Encrypting the secret content and the confidential content of the file; wherein, when the control signal is received to open the file, the identity confirmation data is required to be input; and the identity confirmation data and the identity authentication key are obtained according to the identity confirmation data Compare, when the identity confirmation data matches the identity key Transmitting the confidential content, the confidential content of the file and the second protection material of the protection data area from the customization area through the file protection program to restore the unprotected material, and when the identity confirmation data and the identity authentication The second protection data is displayed when the keys do not match. The method of claim 19, wherein after the moving content of the file is moved, the confidential content of the first protection data is replaced by an alternative content, and the alternative content is replaced by the alternative content. The first protection data is stored in the protection data area to replace the first protection data, and the second protection data is generated. The method of claim 20, wherein after the file security content is moved, the file security content of the first protection data is replaced by an alternative content, and the alternative content is replaced by the alternative content. The first protection data is stored in the protection data area to replace the first protection data, and the second protection data is generated.